| Business | Phone |
| Apollo Wireless 1630 W Foothill Blvd, Upland 91786 | (909) 946-3688 |
| Cingular Wireless 110 S Mountain Ave # E, Upland 91786 | (909) 985-3700 |
| Nextel 2122 Portarfield Way, Upland 91786 | (909) 985-8468 |
| T Mobile 1 Mills Cir, Upland 91786 | (909) 581-1100 |
| T Mobile Upland 1013 W Foothill Blvd # D, Upland 91786 | (909) 981-2211 |
| Totally Wireless 134 N 2nd Ave, Upland 91786 | (909) 579-0600 |
| Sprint Pcs 1883 N Campus Ave, Upland 91784 | (909) 982-4600 |